#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll = long long;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using pii = pair<int, int>;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define repr(i, n) for (int i = (int)(n - 1); i >= 0; --i)

void chmax(ll& a, ll b) {
    if (b > a) a = b;
}
int main() {
    const ll INF = 4e18;
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int n, x, y;
    cin >> n >> x >> y;
    vector dp(x + 1, vector<ll>(y + 1, -INF));
    dp[0][0] = 0;
    rep(i, n) {
        int a, b, c;
        cin >> a >> b >> c;
        repr(i, x - a + 1) repr(j, y - b + 1) {
            chmax(dp[i + a][j + b], dp[i][j] + c);
        }
    }
    ll ret = -INF;
    rep(i, x + 1) rep(j, y + 1) {
        chmax(ret, dp[i][j]);
    }
    cout << ret << endl;
    return 0;
}